mdn-browser-compat-data
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Browser compatibility data provided by MDN Web Docs
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{
"javascript": {
"builtins": {
"Object": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object",
"spec_url": "https://tc39.es/ecma262/#sec-object-objects",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "3"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "3"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"Object": {
"__compat": {
"description": "<code>Object()</code> constructor",
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/Object",
"spec_url": "https://tc39.es/ecma262/#sec-object-constructor",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "3"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "3"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"assign": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign",
"spec_url": "https://tc39.es/ecma262/#sec-object.assign",
"support": {
"chrome": {
"version_added": "45"
},
"chrome_android": {
"version_added": "45"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "34"
},
"firefox_android": {
"version_added": "34"
},
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "4.0.0"
},
"opera": {
"version_added": "32"
},
"opera_android": {
"version_added": "32"
},
"safari": {
"version_added": "9"
},
"safari_ios": {
"version_added": "9"
},
"samsunginternet_android": {
"version_added": "5.0"
},
"webview_android": {
"version_added": "45"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"constructor": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor",
"spec_url": "https://tc39.es/ecma262/#sec-object.prototype.constructor",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "8"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "4"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"create": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create",
"spec_url": "https://tc39.es/ecma262/#sec-object.create",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "11.6"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "5"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"defineGetter": {
"__compat": {
"description": "<code>__defineGetter__</code>",
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineGetter__",
"spec_url": "https://tc39.es/ecma262/#sec-object.prototype.__defineGetter__",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1",
"notes": "Starting with Firefox 48, this method can no longer be called at the global scope without any object. A <code>TypeError</code> will be thrown otherwise. Previously, the global object was used in these cases automatically, but this is no longer the case."
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "9.5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"defineProperties": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperties",
"spec_url": "https://tc39.es/ecma262/#sec-object.defineproperties",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "11.6"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "5"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"defineProperty": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty",
"spec_url": "https://tc39.es/ecma262/#sec-object.defineproperty",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": [
{
"version_added": "9"
},
{
"version_added": "8",
"partial_implementation": true,
"notes": "In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9."
}
],
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "11.6"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5.1",
"notes": "Also supported in Safari 5, but not on DOM objects."
},
"safari_ios": {
"version_added": "6",
"notes": "Also supported in Safari for iOS 4.2, but not on DOM objects."
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"defineSetter": {
"__compat": {
"description": "<code>__defineSetter__</code>",
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineSetter__",
"spec_url": "https://tc39.es/ecma262/#sec-object.prototype.__defineSetter__",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1",
"notes": "Starting with Firefox 48, this method can no longer be called at the global scope without any object. A <code>TypeError</code> will be thrown otherwise. Previously, the global object was used in these cases automatically, but this is no longer the case."
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "9.5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"entries": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/entries",
"spec_url": "https://tc39.es/ecma262/#sec-object.entries",
"support": {
"chrome": {
"version_added": "54"
},
"chrome_android": {
"version_added": "54"
},
"edge": {
"version_added": "14"
},
"firefox": {
"version_added": "47"
},
"firefox_android": {
"version_added": "47"
},
"ie": {
"version_added": false
},
"nodejs": [
{
"version_added": "7.0.0"
},
{
"version_added": "6.5.0",
"flags": [
{
"type": "runtime_flag",
"name": "--harmony"
}
]
}
],
"opera": {
"version_added": "41"
},
"opera_android": {
"version_added": "41"
},
"safari": {
"version_added": "10.1"
},
"safari_ios": {
"version_added": "10.3"
},
"samsunginternet_android": {
"version_added": "6.0"
},
"webview_android": {
"version_added": "54"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"freeze": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze",
"spec_url": "https://tc39.es/ecma262/#sec-object.freeze",
"support": {
"chrome": {
"version_added": "6"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "12"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5.1"
},
"safari_ios": {
"version_added": "6"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"fromEntries": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/fromEntries",
"spec_url": "https://tc39.es/ecma262/#sec-object.fromentries",
"support": {
"chrome": {
"version_added": "73"
},
"chrome_android": {
"version_added": "73"
},
"edge": {
"version_added": "79"
},
"firefox": {
"version_added": "63"
},
"firefox_android": {
"version_added": "63"
},
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "12.0.0"
},
"opera": {
"version_added": "60"
},
"opera_android": {
"version_added": false
},
"safari": {
"version_added": "12.1"
},
"safari_ios": {
"version_added": "12.2"
},
"samsunginternet_android": {
"version_added": false
},
"webview_android": {
"version_added": "73"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"getOwnPropertyDescriptor": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptor",
"spec_url": "https://tc39.es/ecma262/#sec-object.getownpropertydescriptor",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": [
{
"version_added": "9"
},
{
"version_added": "8",
"partial_implementation": true,
"notes": "In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9."
}
],
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "12"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "5"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"getOwnPropertyDescriptors": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptors",
"spec_url": "https://tc39.es/ecma262/#sec-object.getownpropertydescriptors",
"support": {
"chrome": {
"version_added": "54"
},
"chrome_android": {
"version_added": "54"
},
"edge": {
"version_added": "15"
},
"firefox": {
"version_added": "50"
},
"firefox_android": {
"version_added": "50"
},
"ie": {
"version_added": false
},
"nodejs": [
{
"version_added": "7.0.0"
},
{
"version_added": "6.5.0",
"flags": [
{
"type": "runtime_flag",
"name": "--harmony"
}
]
}
],
"opera": {
"version_added": "41"
},
"opera_android": {
"version_added": "41"
},
"safari": {
"version_added": "10"
},
"safari_ios": {
"version_added": "10"
},
"samsunginternet_android": {
"version_added": "6.0"
},
"webview_android": {
"version_added": "54"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"getOwnPropertyNames": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames",
"spec_url": "https://tc39.es/ecma262/#sec-object.getownpropertynames",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "12"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "5"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"getOwnPropertySymbols": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols",
"spec_url": "https://tc39.es/ecma262/#sec-object.getownpropertysymbols",
"support": {
"chrome": {
"version_added": "38"
},
"chrome_android": {
"version_added": "38"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "36"
},
"firefox_android": {
"version_added": "36"
},
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "0.12"
},
"opera": {
"version_added": "25"
},
"opera_android": {
"version_added": "25"
},
"safari": {
"version_added": "9"
},
"safari_ios": {
"version_added": "9"
},
"samsunginternet_android": {
"version_added": "3.0"
},
"webview_android": {
"version_added": "38"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"getPrototypeOf": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf",
"spec_url": "https://tc39.es/ecma262/#sec-object.getprototypeof",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "3.5"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "12.1"
},
"opera_android": {
"version_added": "12.1"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "5"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"hasOwnProperty": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty",
"spec_url": "https://tc39.es/ecma262/#sec-object.prototype.hasownproperty",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": "18"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "5.5"
},
"nodejs": {
"version_added": true
},
"opera": {
"version_added": "5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": {
"version_added": "1.0"
},
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"is": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/is",
"spec_url": "https://tc39.es/ecma262/#sec-object.is",
"support": {
"chrome": {
"version_added": "30"
},
"chrome_android": {
"version_added": "30"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "22"
},
"firefox_android": {
"version_added": "22"
},
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "0.10"
},
"opera": {
"version_added": "17"
},
"opera_android": {
"version_added": "18"
},
"safari": {
"version_added": "9"
},
"safari_ios": {
"version_added": "9"
},
"samsunginternet_android": {
"version_added": "2.0"
},
"webview_android": {
"version_added": "≤37"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"isExtensible": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible",
"spec_url": "https://tc39.es/ecma262/#sec-object.isextensible",
"support": {
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